BITESIZE READING LIBRARY V4.6.3
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Anonymous improvement statistics — simpler default
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- Anonymous statistical improvement data is now ON by default.
- A small, non-blocking notice explains this and provides Turn off, Learn more
  and OK controls.
- The privacy control in Settings is now minimised/collapsed by default while
  still showing whether anonymous statistics are On or Off.
- Existing users who already chose "No thanks" remain opted out after updating.
- Existing users who explicitly enabled V4.6.2 statistics remain enabled.
- New/default users can turn statistics off immediately and at any later time.
- Turning it off removes any unsent local analytics buffer.
- The first default-on summary is not transmitted until the transparency notice
  has been acknowledged/opened.
- The statistics remain aggregate-only with no pupil, school, teacher or
  persistent device/user identifier.

All V4.6.2 Reading Library, presentation and Bitesize Admin integration features
are retained.
